402827 has 4 divisors (see below), whose sum is σ = 404376. Its totient is φ = 401280.

The previous prime is 402823. The next prime is 402847. The reversal of 402827 is 728204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402827 - 2² = 402823 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402827.

It is not an unprimeable number, because it can be changed into a prime (402823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 939.

It is an arithmetic number, because the mean of its divisors is an integer number (101094).

2⁴⁰²⁸²⁷ is an apocalyptic number.

402827 is a deficient number, since it is larger than the sum of its proper divisors (1549).

402827 is a wasteful number, since it uses less digits than its factorization.

402827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 402827 is about 634.6865368038. The cubic root of 402827 is about 73.8538019311.

The spelling of 402827 in words is "four hundred two thousand, eight hundred twenty-seven".